What is Hanley, Flight & Zimmerman, LLC's NAICS code?

Hanley, Flight & Zimmerman, LLC's NAICS code is 54111 (Offices of Lawyers).

Insights

Patent Expertise Boutique IP law firm with engineering-heavy patent prosecution and counseling, serving Fortune 500 tech clients. Potential sales angle: offer targeted patent lifecycle services, strategic portfolio optimization, and high-touch client advisory to expand from a few filings to higher-volume patent activity.

Chicago Focus Based in Chicago with a strong local and national footprint in technology sectors. Sales opportunity: align outreach with Midwest corporate R&D teams and leverage local events or partnerships to drive introductions to in-house counsel and innovation leaders.

Technology Stack Utilizes Microsoft 365, SharePoint, WordPress, Shopify, WP Engine, Adobe Creative Suite, and analytics tools. Upsell possibilities include enhancing collaboration platforms for IP workflow management, digital marketing for patent portfolios, and data-driven IP analytics.

Growth Momentum Recent partnership with Nielsen indicates strategic scale-up to increase patent filings and global impact. Sales angle: present capabilities for scalable prosecution, international filing support, and competitive IP strategy to sustain growth.

Revenue Tier Reported revenue in the $10M–$25M range with a leaner headcount (11–50 employees). Opportunity to discuss premium services for efficiency gains, process automation, and outsourcing high-volume filings to improve margins and free internal bandwidth.

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Hanley, Flight & Zimmerman, LLC Tech Stack

Hanley, Flight & Zimmerman, LLC uses 8 technology products and services including Microsoft SharePoint, WordPress, Shopify, and more. Explore Hanley, Flight & Zimmerman, LLC's tech stack below.

Microsoft SharePoint
Content Management System
WordPress
Content Management System
Shopify
E-commerce
Microsoft 365
Email
WP Engine
Platform As A Service
Microsoft Teams
Team Collaboration
Adobe Creative Suite
Visualisation Software
Piwik PRO Core
Web Analytics

Media & News

Hanley Flight & Zimmerman LLC partners with The Nielsen Company.
“HFZ has partnered with Nielsen to help Working with engineers and in house co advance from a few patent filings a year to one of the top patenting entities in the world.
May 20, 2021 | hfzlaw.com

Hanley, Flight & Zimmerman, LLC's Email Address Formats

Hanley, Flight & Zimmerman, LLC uses at least 4 email formats:

Hanley, Flight & Zimmerman, LLC Email Formats	Example	Percentage
FLast@hfzlaw.com	JDoe@hfzlaw.com	77%
Last@hfzlaw.com	Doe@hfzlaw.com	13%
Last.First@hfzlaw.com	Doe.John@hfzlaw.com	8%
LFirst@hfzlaw.com	DJohn@hfzlaw.com	2%

Frequently Asked Questions

What is Hanley, Flight & Zimmerman, LLC's phone number?

You can contact Hanley, Flight & Zimmerman, LLC's main corporate office by phone at

+1-312-580-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Hanley, Flight & Zimmerman, LLC's official website and social media links?

Hanley, Flight & Zimmerman, LLC's official website is hfzlaw.com and has social profiles on LinkedIn.

How much revenue does Hanley, Flight & Zimmerman, LLC generate?

As of September 2026, Hanley, Flight & Zimmerman, LLC's annual revenue is estimated to be $10M - $25M.

What is Hanley, Flight & Zimmerman, LLC's SIC code and NAICS code?

Hanley, Flight & Zimmerman, LLC's SIC code is 8111 - Legal Services and NAICS code is 54111 - Offices of Lawyers.

How many employees does Hanley, Flight & Zimmerman, LLC have currently?

As of September 2026, Hanley, Flight & Zimmerman, LLC has approximately 43 employees across 1 continents, including North America. Key team members include Legal Assistant: I. V., Ip Paralegal: K. J. and Patent Law Clerk: M. D. Explore Hanley, Flight & Zimmerman, LLC's employee directory with LeadIQ.

What industry does Hanley, Flight & Zimmerman, LLC belong to?

Hanley, Flight & Zimmerman, LLC operates in the Law Practice industry.

What technology does Hanley, Flight & Zimmerman, LLC use?

Hanley, Flight & Zimmerman, LLC's tech stack includes Microsoft SharePoint, WordPress, Shopify, Microsoft 365, WP Engine, Microsoft Teams, Adobe Creative Suite and Piwik PRO Core.

What is Hanley, Flight & Zimmerman, LLC's email format?

Hanley, Flight & Zimmerman, LLC's email format typically follows the pattern of FLast@hfzlaw.com. Find more Hanley, Flight & Zimmerman, LLC email formats with LeadIQ.

When was Hanley, Flight & Zimmerman, LLC founded?

Hanley, Flight & Zimmerman, LLC was founded in 2002.

Hanley, Flight & Zimmerman, LLC

Q: What technology does Hanley, Flight & Zimmerman, LLC use?

Hanley, Flight & Zimmerman, LLC's tech stack includes Cloudflare Bot Management, Theme My Login, WP Engine, Microsoft SharePoint Online, Yoast SEO Premium.

Law PracticeIllinois, United States11-50 Employees

Hanley, Flight & Zimmerman, LLC is a boutique intellectual property law practice based in downtown Chicago. The firm concentrates on United States and foreign patent prosecution and counseling. Its team includes practitioners who previously worked as engineers or inventors, bringing practical technical experience to patent work. This combination supports a focused service approach for technology companies, including a client roster that comprises many Fortune 500 firms. In May 2021 the firm announced a partnership with The Nielsen Company to help engineers and in-house teams increase patent filings. HFZ operates in the law practice industry serving clients with U.S. and international patent matters from its Chicago base.